Last frost date in Gresham, Oregon
March 16
Average last frost in spring. In an early year (1 in 10) it's over by February 18; in a late year (1 in 10) it comes after April 12.
November 20
Average first frost in fall. 1 year in 10 it comes by October 30.
Source: NOAA U.S. Climate Normals 1991–2020, station Portland Troutdale AP (USW00024242), 3.7 miles from Gresham, elevation 29 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Fairview, so its frost dates are the same as Gresham's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Feb 18 | Mar 16 | Apr 12 |
| First frost in fall | Oct 30 | Nov 20 | Dec 17 |
Frost-free days in an average year: 250
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 19 | Oct 30 |
| Frost (32°F) | Every year | Mar 16 | Nov 20 |
| Hard freeze (28°F) | 9 years in 10 | Feb 14 | Dec 15 |
Nights at 32°F or colder in an average year: 28
What to plant now in Gresham
- Collards plantsAug 25 – Nov 1Now
- BeetsSept 1 – Dec 1Now
- Cabbage plantsSept 1 – Dec 1Now
- CarrotsSept 1 – Nov 1Now
- DandelionSept 1 – Nov 1Now
- Head lettuce plantsSept 1 – Nov 1Now
- Leaf lettuceSept 1 – Nov 1Now
- LeeksSept 1 – Nov 1Now
- Mustard greensSept 1 – Dec 1Now
- Onion seedSept 1 – Nov 1Now
- ParsleySept 1 – Dec 31Now
- RadishesSept 1 – Dec 1Now
- TurnipsSept 1 – Nov 15Now
- Corn saladOct 1 – Dec 1Now
- Garden peasOct 1 – Dec 1Now
- Onion plants plantsOct 1 – Dec 31Now
- SpinachOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Chervil and chivesNov 1 – Dec 31Soon
- Onion setsNov 1 – Dec 31Soon
- Spring planting calendar for an average last frost around March 20 Gresham: March 16
- Fall planting calendar for an average first frost around November 20 Gresham: November 20
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Oregon
- Troutdale 3 mi · last frost Mar 26
- Portland 10 mi · last frost Feb 25
- Sandy 11 mi · last frost Mar 27
- Lake Oswego 14 mi · last frost Mar 18
- Beaverton 18 mi · last frost Apr 1
Updated